9404243 has 2 divisors, whose sum is σ = 9404244. Its totient is φ = 9404242.

The previous prime is 9404237. The next prime is 9404257. The reversal of 9404243 is 3424049.

It is a weak prime.

It is an emirp because it is prime and its reverse (3424049) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9404243 - 2¹⁸ = 9142099 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9404233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4702121 + 4702122.

It is an arithmetic number, because the mean of its divisors is an integer number (4702122).

Almost surely, 2^9404243 is an apocalyptic number.

9404243 is a deficient number, since it is larger than the sum of its proper divisors (1).

9404243 is an equidigital number, since it uses as much as digits as its factorization.

9404243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 9404243 is about 3066.6338222879. The cubic root of 9404243 is about 211.0771787773.

The spelling of 9404243 in words is "nine million, four hundred four thousand, two hundred forty-three".